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目的应用寿命表法评价育龄妇女放置宫内节育器(intrauterine contraceptive device,IUD)后的长期续用趋势。方法对206例放置吉妮IUD的玉溪市红塔区内及非本辖区但长住本区的育龄妇女进行跟踪随访,用寿命表法分析吉妮IUD放置失败率。结果置器后3个月随访时不良反应主诉较多,9个月后明显减少,且症状减轻。18个月后症状逐渐消失。IUD的失败主要是在前12个月,因此,预防IUD失败的有效时间是放置后的12个月内。结论寿命表法客观准确地反映了整个随访期间不同时点的真实情况,对长期追踪的病例进行研究,是一种较为科学的统计方法,值得推广。
Objective To evaluate the long-term follow-up trend of women of childbearing age after placement of intrauterine contraceptive device (IUD). Methods A total of 206 pregnant women of childbearing age who lived in Hongta district of Yuxi City, Yixi City, but not in their own jurisdiction, were enrolled in this study. Follow-up was conducted by life table method to analyze the failure rate of IUD placement. Result 3 months after placement of the main adverse reactions were more complaints, significantly reduced after 9 months, and reduce the symptoms. After 18 months the symptoms gradually disappear. The failure of IUD was mainly in the previous 12 months, so the effective time to prevent IUD failure was within 12 months after placement. Conclusion The life table method objectively and accurately reflects the real situation at different time points during the whole follow-up period. It is a more scientific method to study the long-term follow-up cases, which is worthy of popularization.